John Travolta paid a touching tribute to his “Grease” co-star Susan Buckner following her death at the age of 72. The two starred together in the 1978 cult musical film, in which Travolta played the role of Danny Zuko, while Buckner portrayed Patty Simcox, who befriended his lover Sandy Dumbrowski (Olivia Newton-John). The “Pulp Fiction” […]